Both the Democratic and Republican Parties would support the idea that the United States should defend itself both in times of war and when it feels as though it's being threatened, since both parties believe deeply in national security.
A). The party leader.
a U.S. president whose management of international relations strikes many in the political establishment as dangerous and contrary to the U.S. national interest.
Answer:
There would be a heavy Nationalistic point inside the foreign policy, in which treaties & alliances would only forged when it benefits the Nationalistic country, & that war would be declared, or that they would only join a war if there would be a huge benefit that can be reaped from the war. Nationalistic views can also lead to a country taking over another one and turning them into a colony to further the resources available or making the nationalistic country more strong.
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It is D providing thesis that it is supported with reliable evidence